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CVE-2026-54370 is a time-of-check to time-of-use race condition affecting acl before version 2.4.0. A local attacker controlling a pathname component can replace it with a symbolic link after an lstat() check but before subsequent symlink-following operations, including stat(), chown(), chmod(), acl_get_file(), and acl_set_file(). When a privileged process invokes getfacl, setfacl, or chacl on an attacker-controlled path, this substitution can redirect ACL and related file operations to arbitrary files, potentially enabling local privilege escalation.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
27 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CentOS-related locally exploitable vulnerability with high attack complexity and complete confidentiality, integrity, and availability impact under the supplied CVSS v2 vector.
A vulnerability addressed by the CentOS/TuxCare CLSA-2026-1785151239 advisory. The provided CVSS v2 vector indicates a locally exploitable issue with high attack complexity and complete confidentiality, integrity, and availability impact.
An Important-severity vulnerability covered by an AlmaLinux 9.2 local security check. Its supplied CVSS v2 vector indicates a locally exploitable issue with high attack complexity and complete confidentiality, integrity, and availability impact.
A locally exploitable vulnerability referenced by a Rocky Linux 9.6 security-check plugin. Its listed CVSS v2 vector indicates high attack complexity and complete confidentiality, integrity, and availability impact.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.